9FMH

PsiM N247M in complex with SAH and norbaeocystin

• PDB DOI: https://doi.org/10.2210/pdb9FMH/pdb

• Classification: BIOSYNTHETIC PROTEIN
• Organism(s): Psilocybe cubensis
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2024-06-06 Released: 2024-10-23 
• Deposition Author(s): Hudspeth, J., Rupp, B., Werten, S.
• Funding Organization(s): Austrian Science Fund

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 0.90 Å
• R-Value Free: 0.148 
• R-Value Work: 0.138 
• R-Value Observed: 0.138 

Starting Model: experimental

Literature

The Second Methylation in Psilocybin Biosynthesis Is Enabled by a Hydrogen Bonding Network Extending into the Secondary Sphere of the Methyltransferase Active Site

Hudspeth, J., Rogge, K., Wagner, T., Mull, M., Hoffmeister, D., Rupp, B., Werten, S.

(2024) Chembiochem 

• DOI: https://doi.org/10.1002/cbic.202400497

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 36.62 kDa 
• Atom Count: 3,245 
• Modelled Residue Count: 320 
• Deposited Residue Count: 322 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Psilocybin synthase	A	322	Psilocybe cubensis	Mutation(s): 1  Gene Names: psiM EC: 2.1.1
UniProt
Find proteins for P0DPA9 (Psilocybe cubensis) Explore P0DPA9  Go to UniProtKB:  P0DPA9

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SAH (Subject of Investigation/LOI)	B [auth A]	S-ADENOSYL-L-HOMOCYSTEINE C14 H20 N6 O5 S ZJUKTBDSGOFHSH-WFMPWKQPSA-N
XP6 (Subject of Investigation/LOI)	C [auth A]	Norbaeocystin C10 H13 N2 O4 P IKQGYCWFBVEAKF-UHFFFAOYSA-N
CL	D [auth A], E [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 0.90 Å
• R-Value Free: 0.148 
• R-Value Work: 0.138 
• R-Value Observed: 0.138 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 49.372	α = 90
b = 78.543	β = 90
c = 83.767	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
xia2	data reduction
DIALS	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-10-23 
Deposition Author(s): Hudspeth, J., Rupp, B., Werten, S.

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Funding Organization	Location	Grant Number
Austrian Science Fund	Austria	I-5192

Revision History  

• Version 1.0: 2024-10-23
  Type: Initial release